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Finding the Third Proportional to 7,940,700 and 17,393,670

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Solution

The third proportional to 7,940,700 and 17,393,670 is: 38,099,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940,700 : 17,393,670 = 17,393,670 : x
  2. Step 2: Convert to fraction form
    7,940,700/17,393,670 = 17,393,670/x
  3. Step 3: Cross multiply
    7,940,700x = 17,393,670 × 17,393,670
  4. Step 4: Simplify right side
    7,940,700x = 302,539,756,068,900
  5. Step 5: Solve for x
    x = 302,539,756,068,900/7,940,700
  6. Step 6: Final answer
    x = 38,099,884.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.